Patent · US Active

Method of grinding particulate material

US7578455B2 · kind B2 · utility

1Cited by
4References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 2004
Grant dateAug 25, 2009
Priority date—
Expiry dateJan 5, 2027

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/36
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A particulate material is ground more efficiently using a mixture of at least two different sizes of yttrium-stabilized zirconia balls. The method facilitates preparation of photocatalysts with high activity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.